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FW: Re: getting iptables into embedded kernel

 

 

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klaus_gr_W_kl_Acker at web

Jul 31, 2007, 7:29 AM

Post #1 of 1 (762 views)
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FW: Re: getting iptables into embedded kernel

> Betreff: Re: getting iptables into embedded kernel

The compile does work, but the response on my target says something is wrong: "Cannot execute binary file". It is obvious when you look at the elf header.
The denx cross-compile does work a little bit differently. I am trying to find out how.
I assume I have to convince the make-file from denx to call the iptables' one, not other way around.
Klaus




called from iptables dir:
PATH=$PATH CROSS_COMPILE=ppc_85xx- ARCH=ppc make NO_SHARED_LIBS=1 KERNEL_DIR=/opt/eldk/usr/src/tq2_lin/


echo $PATH :
/sbin:/usr/sbin:/usr/local/sbin:/opt/gnome/sbin:/root/bin:/usr/local/bin:/usr/bin:/usr/X11R6/bin:/bin:/usr/games:/opt/gnome/bin:/opt/kde3/bin:/usr/lib/jvm/jre/bin:/usr/lib/mit/bin:/usr/lib/mit/sbin:/opt/eldk/bin:/opt/eldk/usr/bin



part from "readelf iptables"

ELF Header:
Magic: 7f 45 4c 46 01 01 01 00 00 00 00 00 00 00 00 00
Class: ELF32
Data: 2's complement, little endian
Version: 1 (current)
OS/ABI: UNIX - System V
ABI Version: 0
Type: EXEC (Executable file)
Machine: Intel 80386 <<<<<<<<<<<<<<<==================
Version: 0x1
Entry point address: 0x8048150
Start of program headers: 52 (bytes into file)
Start of section headers: 674152 (bytes into file)
Flags: 0x0
Size of this header: 52 (bytes)
Size of program headers: 32 (bytes)
Number of program headers: 6
Size of section headers: 40 (bytes)
Number of section headers: 39
Section header string table index: 36

Section Headers:
[Nr] Name Type Addr Off Size ES Flg Lk Inf Al
[ 0] NULL 00000000 000000 000000 00 0 0 0
[ 1] .note.ABI-tag NOTE 080480f4 0000f4 000020 00 A 0 0 4
[ 2] .note.SuSE NOTE 08048114 000114 000018 00 A 0 0 4
[ 3] .init PROGBITS 0804812c 00012c 000017 00 AX 0 0 4
[ 4] .text PROGBITS 08048150 000150 075d2c 00 AX 0 0 16




>
> >
> > You say that didn't work, can you send some error message ?
> >
> > Are you sure it's not an cross compile problem, rather than iptables issue ?
> >
> > Maybe you can look for Dan Kegel's crosstool:
> > http://www.kegel.com/crosstool/
> > (Easy to use)
> >
> > or
> >
> > Scratchbox (crosstool environnement)
> > (More complex, but very like your building on THE target machine)
> >
> >
> > Regards,
> >
> > Michael Plourde
> > Digicom Technologies
> >
> > ----- Original Message -----
> > From: "Klaus Wacker" <klaus_gr_W_kl_Acker [at] web>
> > To: <netfilter [at] lists>
> > Sent: Tuesday, July 31, 2007 6:32 AM
> > Subject: getting iptables into embedded kernel
> >
> >
> > > On Tuesday 31 July 2007 11:24, Klaus Wacker wrote:
> > > > Yes, did that and then I try to run it but it only says "cannot execute
> > > > binary file"
> > > >What machine were you using to compile the iptables binary?
> > >
> > > >You mentioned, your target machine is a PPC, if you compile iptables on
> > an x86
> > > >machine without cross compiling option for PPC, you will end up with an
> > Intel
> > > >binary that will not run on Power-PC architecture.
> > >
> > > >Frank
> > > I compile on a PC linux box, my target is a PPC 85xx. I use a denx distro.
> > > First I thought this goes into the kernel and the KERNEL_DIR takes care of
> > that.
> > > I did have set my CROSS_COMPILE to my target and did set the PATH as well.
> > I've just tried again with ARCH=ppc and CROSS_COMPILE=ppc_85xx-
> > > ;this doesn't work either.
> > > Klaus
> > > _____________________________________________________________________
> > > Der WEB.DE SmartSurfer hilft bis zu 70% Ihrer Onlinekosten zu sparen!
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> > >
> > >
> > > --
> > > Internal Virus Database is out-of-date.
> > > Checked by AVG Free Edition.
> > > Version: 7.5.472 / Virus Database: 269.9.6/865 - Release Date: 2007-06-24
> > 08:33
> > >
> > >
> >
> >
>
>


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